I recently had a surgeon come to me asking about marking the surgical site. He states that you should not be marking and sites "no". He says that if there is a mark on it, it can be mistaken for the surgical site. Is there a standard in AORN, or anywhere else that can clarify this for me? We are currently marking the operative site with a "yes" and the surgeon initials. The opposite leg or arm, is then marked with a "no".